///*
// * Copyright (C) 2013 readyState Software Ltd
// *
// * Licensed under the Apache License, Version 2.0 (the "License");
// * you may not use this file except in compliance with the License.
// * You may obtain a copy of the License at
// *
// *      http://www.apache.org/licenses/LICENSE-2.0
// *
// * Unless required by applicable law or agreed to in writing, software
// * distributed under the License is distributed on an "AS IS" BASIS,
// * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// * See the License for the specific language governing permissions and
// * limitations under the License.
// */
//
//package com.tutor.lzm.app;
//
//import android.annotation.SuppressLint;
//import android.annotation.TargetApi;
//import android.app.Activity;
//import android.content.Context;
//import android.content.res.Configuration;
//import android.content.res.Resources;
//import android.content.res.TypedArray;
//import android.graphics.drawable.Drawable;
//import android.os.Build;
//import android.util.DisplayMetrics;
//import android.util.TypedValue;
//import android.view.Gravity;
//import android.view.View;
//import android.view.ViewConfiguration;
//import android.view.ViewGroup;
//import android.view.Window;
//import android.view.WindowManager;
//import android.widget.FrameLayout.LayoutParams;
//
//import java.lang.reflect.Method;
//
///**
// * Class to manage status and navigation bar tint effects when using KitKat
// * translucent system UI modes.
// *
// */
//public class SystemBarTintManager {
//
//    static {
//        // Android allows a system property to override the presence of the navigation bar.
//        // Used by the emulator.
//        // See https://github.com/android/platform_frameworks_base/blob/master/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java#L1076
//        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
//            try {
//                Class c = Class.forName("android.os.SystemProperties");
//                Method m = c.getDeclaredMethod("get", String.class);
//                m.setAccessible(true);
//                sNavBarOverride = (String) m.invoke(null, "qemu.hw.mainkeys");
//            } catch (Throwable e) {
//                sNavBarOverride = null;
//            }
//        }
//    }
//
//
//    /**
//     * The default system bar tint color value.
//     */
//    public static final int DEFAULT_TINT_COLOR = 0x99000000;
//
//    private static String sNavBarOverride;
//
//    private final SystemBarConfig mConfig;
//    private boolean mStatusBarAvailable;
//    private boolean mNavBarAvailable;
//    private boolean mStatusBarTintEnabled;
//    private boolean mNavBarTintEnabled;
//    private View mStatusBarTintView;
//    private View mNavBarTintView;
//
//    /**
//     * Constructor. Call this in the host activity onCreate method after its
//     * content view has been set. You should always create new instances when
//     * the host activity is recreated.
//     *
//     * @param activity The host activity.
//     */
//    @TargetApi(19)
//    public SystemBarTintManager(Activity activity) {
//
//        Window win = activity.getWindow();
//        ViewGroup decorViewGroup = (ViewGroup) win.getDecorView();
//
//        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
//            // check theme attrs
//            int[] attrs = {android.R.attr.windowTranslucentStatus,
//                    android.R.attr.windowTranslucentNavigation};
//            TypedArray a = activity.obtainStyledAttributes(attrs);
//            try {
//                mStatusBarAvailable = a.getBoolean(0, false);
//                mNavBarAvailable = a.getBoolean(1, false);
//            } finally {
//                a.recycle();
//            }
//
//            // check window flags
//            WindowManager.LayoutParams winParams = win.getAttributes();
//            int bits = WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS;
//            if ((winParams.flags & bits) != 0) {
//                mStatusBarAvailable = true;
//            }
//            bits = WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION;
//            if ((winParams.flags & bits) != 0) {
//                mNavBarAvailable = true;
//            }
//        }
//
//        mConfig = new SystemBarConfig(activity, mStatusBarAvailable, mNavBarAvailable);
//        // device might not have virtual navigation keys
//        if (!mConfig.hasNavigtionBar()) {
//            mNavBarAvailable = false;
//        }
//
//        if (mStatusBarAvailable) {
//            setupStatusBarView(activity, decorViewGroup);
//        }
//        if (mNavBarAvailable) {
//            setupNavBarView(activity, decorViewGroup);
//        }
//
//    }
//
//    /**
//     * Enable tinting of the system status bar.
//     *
//     * If the platform is running Jelly Bean or earlier, or translucent system
//     * UI modes have not been enabled in either the theme or via window flags,
//     * then this method does nothing.
//     *
//     * @param enabled True to enable tinting, false to disable it (default).
//     */
//    public void setStatusBarTintEnabled(boolean enabled) {
//        mStatusBarTintEnabled = enabled;
//        if (mStatusBarAvailable) {
//            mStatusBarTintView.setVisibility(enabled ? View.VISIBLE : View.GONE);
//        }
//    }
//
//    /**
//     * Enable tinting of the system navigation bar.
//     *
//     * If the platform does not have soft navigation keys, is running Jelly Bean
//     * or earlier, or translucent system UI modes have not been enabled in either
//     * the theme or via window flags, then this method does nothing.
//     *
//     * @param enabled True to enable tinting, false to disable it (default).
//     */
//    public void setNavigationBarTintEnabled(boolean enabled) {
//        mNavBarTintEnabled = enabled;
//        if (mNavBarAvailable) {
//            mNavBarTintView.setVisibility(enabled ? View.VISIBLE : View.GONE);
//        }
//    }
//
//    /**
//     * Apply the specified color tint to all system UI bars.
//     *
//     * @param color The color of the background tint.
//     */
//    public void setTintColor(int color) {
//        setStatusBarTintColor(color);
//        setNavigationBarTintColor(color);
//    }
//
//    /**
//     * Apply the specified drawable or color resource to all system UI bars.
//     *
//     * @param res The identifier of the resource.
//     */
//    public void setTintResource(int res) {
//        setStatusBarTintResource(res);
//        setNavigationBarTintResource(res);
//    }
//
//    /**
//     * Apply the specified drawable to all system UI bars.
//     *
//     * @param drawable The drawable to use as the background, or null to remove it.
//     */
//    public void setTintDrawable(Drawable drawable) {
//        setStatusBarTintDrawable(drawable);
//        setNavigationBarTintDrawable(drawable);
//    }
//
//    /**
//     * Apply the specified alpha to all system UI bars.
//     *
//     * @param alpha The alpha to use
//     */
//    public void setTintAlpha(float alpha) {
//        setStatusBarAlpha(alpha);
//        setNavigationBarAlpha(alpha);
//    }
//
//    /**
//     * Apply the specified color tint to the system status bar.
//     *
//     * @param color The color of the background tint.
//     */
//    public void setStatusBarTintColor(int color) {
//        if (mStatusBarAvailable) {
//            mStatusBarTintView.setBackgroundColor(color);
//        }
//    }
//
//    /**
//     * Apply the specified drawable or color resource to the system status bar.
//     *
//     * @param res The identifier of the resource.
//     */
//    public void setStatusBarTintResource(int res) {
//        if (mStatusBarAvailable) {
//            mStatusBarTintView.setBackgroundResource(res);
//        }
//    }
//
//    /**
//     * Apply the specified drawable to the system status bar.
//     *
//     * @param drawable The drawable to use as the background, or null to remove it.
//     */
//    @SuppressWarnings("deprecation")
//    public void setStatusBarTintDrawable(Drawable drawable) {
//        if (mStatusBarAvailable) {
//            mStatusBarTintView.setBackgroundDrawable(drawable);
//        }
//    }
//
//    /**
//     * Apply the specified alpha to the system status bar.
//     *
//     * @param alpha The alpha to use
//     */
//    @TargetApi(11)
//    public void setStatusBarAlpha(float alpha) {
//        if (mStatusBarAvailable && Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
//            mStatusBarTintView.setAlpha(alpha);
//        }
//    }
//
//    /**
//     * Apply the specified color tint to the system navigation bar.
//     *
//     * @param color The color of the background tint.
//     */
//    public void setNavigationBarTintColor(int color) {
//        if (mNavBarAvailable) {
//            mNavBarTintView.setBackgroundColor(color);
//        }
//    }
//
//    /**
//     * Apply the specified drawable or color resource to the system navigation bar.
//     *
//     * @param res The identifier of the resource.
//     */
//    public void setNavigationBarTintResource(int res) {
//        if (mNavBarAvailable) {
//            mNavBarTintView.setBackgroundResource(res);
//        }
//    }
//
//    /**
//     * Apply the specified drawable to the system navigation bar.
//     *
//     * @param drawable The drawable to use as the background, or null to remove it.
//     */
//    @SuppressWarnings("deprecation")
//    public void setNavigationBarTintDrawable(Drawable drawable) {
//        if (mNavBarAvailable) {
//            mNavBarTintView.setBackgroundDrawable(drawable);
//        }
//    }
//
//    /**
//     * Apply the specified alpha to the system navigation bar.
//     *
//     * @param alpha The alpha to use
//     */
//    @TargetApi(11)
//    public void setNavigationBarAlpha(float alpha) {
//        if (mNavBarAvailable && Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
//            mNavBarTintView.setAlpha(alpha);
//        }
//    }
//
//    /**
//     * Get the system bar configuration.
//     *
//     * @return The system bar configuration for the current device configuration.
//     */
//    public SystemBarConfig getConfig() {
//        return mConfig;
//    }
//
//    /**
//     * Is tinting enabled for the system status bar?
//     *
//     * @return True if enabled, False otherwise.
//     */
//    public boolean isStatusBarTintEnabled() {
//        return mStatusBarTintEnabled;
//    }
//
//    /**
//     * Is tinting enabled for the system navigation bar?
//     *
//     * @return True if enabled, False otherwise.
//     */
//    public boolean isNavBarTintEnabled() {
//        return mNavBarTintEnabled;
//    }
//
//    private void setupStatusBarView(Context context, ViewGroup decorViewGroup) {
//        mStatusBarTintView = new View(context);
//        LayoutParams params = new LayoutParams(LayoutParams.MATCH_PARENT, mConfig.getStatusBarHeight());
//        params.gravity = Gravity.TOP;
//        if (mNavBarAvailable && !mConfig.isNavigationAtBottom()) {
//            params.rightMargin = mConfig.getNavigationBarWidth();
//        }
//        mStatusBarTintView.setLayoutParams(params);
//        mStatusBarTintView.setBackgroundColor(DEFAULT_TINT_COLOR);
//        mStatusBarTintView.setVisibility(View.GONE);
//        decorViewGroup.addView(mStatusBarTintView);
//    }
//
//    private void setupNavBarView(Context context, ViewGroup decorViewGroup) {
//        mNavBarTintView = new View(context);
//        LayoutParams params;
//        if (mConfig.isNavigationAtBottom()) {
//            params = new LayoutParams(LayoutParams.MATCH_PARENT, mConfig.getNavigationBarHeight());
//            params.gravity = Gravity.BOTTOM;
//        } else {
//            params = new LayoutParams(mConfig.getNavigationBarWidth(), LayoutParams.MATCH_PARENT);
//            params.gravity = Gravity.RIGHT;
//        }
//        mNavBarTintView.setLayoutParams(params);
//        mNavBarTintView.setBackgroundColor(DEFAULT_TINT_COLOR);
//        mNavBarTintView.setVisibility(View.GONE);
//        decorViewGroup.addView(mNavBarTintView);
//    }
//
//    /**
//     * Class which describes system bar sizing and other characteristics for the current
//     * device configuration.
//     *
//     */
//    public static class SystemBarConfig {
//
//        private static final String STATUS_BAR_HEIGHT_RES_NAME = "status_bar_height";
//        private static final String NAV_BAR_HEIGHT_RES_NAME = "navigation_bar_height";
//        private static final String NAV_BAR_HEIGHT_LANDSCAPE_RES_NAME = "navigation_bar_height_landscape";
//        private static final String NAV_BAR_WIDTH_RES_NAME = "navigation_bar_width";
//        private static final String SHOW_NAV_BAR_RES_NAME = "config_showNavigationBar";
//
//        private final boolean mTranslucentStatusBar;
//        private final boolean mTranslucentNavBar;
//        private final int mStatusBarHeight;
//        private final int mActionBarHeight;
//        private final boolean mHasNavigationBar;
//        private final int mNavigationBarHeight;
//        private final int mNavigationBarWidth;
//        private final boolean mInPortrait;
//        private final float mSmallestWidthDp;
//
//        private SystemBarConfig(Activity activity, boolean translucentStatusBar, boolean traslucentNavBar) {
//            Resources res = activity.getResources();
//            mInPortrait = (res.getConfiguration().orientation == Configuration.ORIENTATION_PORTRAIT);
//            mSmallestWidthDp = getSmallestWidthDp(activity);
//            mStatusBarHeight = getInternalDimensionSize(res, STATUS_BAR_HEIGHT_RES_NAME);
//            mActionBarHeight = getActionBarHeight(activity);
//            mNavigationBarHeight = getNavigationBarHeight(activity);
//            mNavigationBarWidth = getNavigationBarWidth(activity);
//            mHasNavigationBar = (mNavigationBarHeight > 0);
//            mTranslucentStatusBar = translucentStatusBar;
//            mTranslucentNavBar = traslucentNavBar;
//        }
//
//        @TargetApi(14)
//        private int getActionBarHeight(Context context) {
//            int result = 0;
//            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
//                TypedValue tv = new TypedValue();
//                context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true);
//                result = TypedValue.complexToDimensionPixelSize(tv.data, context.getResources().getDisplayMetrics());
//            }
//            return result;
//        }
//
//        @TargetApi(14)
//        private int getNavigationBarHeight(Context context) {
//            Resources res = context.getResources();
//            int result = 0;
//            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
//                if (hasNavBar(context)) {
//                    String key;
//                    if (mInPortrait) {
//                        key = NAV_BAR_HEIGHT_RES_NAME;
//                    } else {
//                        key = NAV_BAR_HEIGHT_LANDSCAPE_RES_NAME;
//                    }
//                    return getInternalDimensionSize(res, key);
//                }
//            }
//            return result;
//        }
//
//        @TargetApi(14)
//        private int getNavigationBarWidth(Context context) {
//            Resources res = context.getResources();
//            int result = 0;
//            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
//                if (hasNavBar(context)) {
//                    return getInternalDimensionSize(res, NAV_BAR_WIDTH_RES_NAME);
//                }
//            }
//            return result;
//        }
//
//        @TargetApi(14)
//        private boolean hasNavBar(Context context) {
//            Resources res = context.getResources();
//            int resourceId = res.getIdentifier(SHOW_NAV_BAR_RES_NAME, "bool", "android");
//            if (resourceId != 0) {
//                boolean hasNav = res.getBoolean(resourceId);
//                // check override flag (see static block)
//                if ("1".equals(sNavBarOverride)) {
//                    hasNav = false;
//                } else if ("0".equals(sNavBarOverride)) {
//                    hasNav = true;
//                }
//                return hasNav;
//            } else { // fallback
//                return !ViewConfiguration.get(context).hasPermanentMenuKey();
//            }
//        }
//
//        private int getInternalDimensionSize(Resources res, String key) {
//            int result = 0;
//            int resourceId = res.getIdentifier(key, "dimen", "android");
//            if (resourceId > 0) {
//                result = res.getDimensionPixelSize(resourceId);
//            }
//            return result;
//        }
//
//        @SuppressLint("NewApi")
//        private float getSmallestWidthDp(Activity activity) {
//            DisplayMetrics metrics = new DisplayMetrics();
//            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
//                activity.getWindowManager().getDefaultDisplay().getRealMetrics(metrics);
//            } else {
//                // TODO this is not correct, but we don't really care pre-kitkat
//                activity.getWindowManager().getDefaultDisplay().getMetrics(metrics);
//            }
//            float widthDp = metrics.widthPixels / metrics.density;
//            float heightDp = metrics.heightPixels / metrics.density;
//            return Math.min(widthDp, heightDp);
//        }
//
//        /**
//         * Should a navigation bar appear at the bottom of the screen in the current
//         * device configuration? A navigation bar may appear on the right side of
//         * the screen in certain configurations.
//         *
//         * @return True if navigation should appear at the bottom of the screen, False otherwise.
//         */
//        public boolean isNavigationAtBottom() {
//            return (mSmallestWidthDp >= 600 || mInPortrait);
//        }
//
//        /**
//         * Get the height of the system status bar.
//         *
//         * @return The height of the status bar (in pixels).
//         */
//        public int getStatusBarHeight() {
//            return mStatusBarHeight;
//        }
//
//        /**
//         * Get the height of the action bar.
//         *
//         * @return The height of the action bar (in pixels).
//         */
//        public int getActionBarHeight() {
//            return mActionBarHeight;
//        }
//
//        /**
//         * Does this device have a system navigation bar?
//         *
//         * @return True if this device uses soft key navigation, False otherwise.
//         */
//        public boolean hasNavigtionBar() {
//            return mHasNavigationBar;
//        }
//
//        /**
//         * Get the height of the system navigation bar.
//         *
//         * @return The height of the navigation bar (in pixels). If the device does not have
//         * soft navigation keys, this will always return 0.
//         */
//        public int getNavigationBarHeight() {
//            return mNavigationBarHeight;
//        }
//
//        /**
//         * Get the width of the system navigation bar when it is placed vertically on the screen.
//         *
//         * @return The width of the navigation bar (in pixels). If the device does not have
//         * soft navigation keys, this will always return 0.
//         */
//        public int getNavigationBarWidth() {
//            return mNavigationBarWidth;
//        }
//
//        /**
//         * Get the layout inset for any system UI that appears at the top of the screen.
//         *
//         * @param withActionBar True to include the height of the action bar, False otherwise.
//         * @return The layout inset (in pixels).
//         */
//        public int getPixelInsetTop(boolean withActionBar) {
//            return (mTranslucentStatusBar ? mStatusBarHeight : 0) + (withActionBar ? mActionBarHeight : 0);
//        }
//
//        /**
//         * Get the layout inset for any system UI that appears at the bottom of the screen.
//         *
//         * @return The layout inset (in pixels).
//         */
//        public int getPixelInsetBottom() {
//            if (mTranslucentNavBar && isNavigationAtBottom()) {
//                return mNavigationBarHeight;
//            } else {
//                return 0;
//            }
//        }
//
//        /**
//         * Get the layout inset for any system UI that appears at the right of the screen.
//         *
//         * @return The layout inset (in pixels).
//         */
//        public int getPixelInsetRight() {
//            if (mTranslucentNavBar && !isNavigationAtBottom()) {
//                return mNavigationBarWidth;
//            } else {
//                return 0;
//            }
//        }
//
//    }
//
//}
